pandas.Series.dt.isocalendar — pandas 2.2.3 documentation (original) (raw)

Series.dt.isocalendar()[source]#

Calculate year, week, and day according to the ISO 8601 standard.

Returns:

DataFrame

With columns year, week and day.

See also

Timestamp.isocalendar

Function return a 3-tuple containing ISO year, week number, and weekday for the given Timestamp object.

datetime.date.isocalendar

Return a named tuple object with three components: year, week and weekday.

Examples

ser = pd.to_datetime(pd.Series(["2010-01-01", pd.NaT])) ser.dt.isocalendar() year week day 0 2009 53 5 1 ser.dt.isocalendar().week 0 53 1 Name: week, dtype: UInt32